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Questions and Answers
Who coined the term 'cell'?
Who coined the term 'cell'?
Which scientist first viewed living cells?
Which scientist first viewed living cells?
Which type of cells lack membrane-bound organelles?
Which type of cells lack membrane-bound organelles?
What does the cell theory state about the origin of cells?
What does the cell theory state about the origin of cells?
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Who proposed that animals are composed of cells?
Who proposed that animals are composed of cells?
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Me yasa muhimmancin haka?
Me yasa muhimmancin haka?
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Me yasa 'yan wasa suna da muhimmanci?
Me yasa 'yan wasa suna da muhimmanci?
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Me yasa muhimmancin 'Yan bindiga?
Me yasa muhimmancin 'Yan bindiga?
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Me yasa muhimmancin 'Yan kasuwa?
Me yasa muhimmancin 'Yan kasuwa?
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Me yasa muhimmancin 'Yan wasa?
Me yasa muhimmancin 'Yan wasa?
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Study Notes
Nucleic Acids
- The structure of nucleic acids is composed of nucleotides, which are the building blocks of DNA and RNA.
- A nucleotide is composed of a sugar molecule, a phosphate group, and a nitrogenous base.
- There are four types of nitrogenous bases found in nucleic acids: adenine (A), guanine (G), cytosine (C), and thymine (T) in DNA, and adenine (A), guanine (G), cytosine (C), and uracil (U) in RNA.
DNA Structure
- DNA is a double-stranded molecule, with two complementary strands twisted together in a double helix structure.
- Each nucleotide is linked to two other nucleotides through hydrogen bonds, forming a strong and stable structure.
RNA Structure
- RNA is a single-stranded molecule, with a structure that is similar to DNA but with uracil (U) instead of thymine (T).
- RNA can form complex secondary and tertiary structures, including hairpin loops and pseudoknots.
Importance of Nucleic Acids
- Nucleic acids contain the genetic information necessary for the development and function of all living organisms.
- They are responsible for the transmission of genetic traits from one generation to the next.
- Nucleic acids also play a crucial role in the synthesis of proteins and the regulation of gene expression.
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Description
Test your knowledge of cell biology with this quiz! Explore the structural and functional units of living organisms, including the differences between unicellular and multicellular organisms, specialized cell functions, nutrient and energy sources, and the process of reproduction. Dive into the history of cell discovery, from the coining of the term "cell" by Hooke to Schleiden's contributions to our understanding of plant cells.
